What causes ‘pins and needles’?

This question was asked by Hannah from West Sussex, UK.  The medical name for the sensation we call pins and…

How does the Seabin work?

This question was asked by Jonah from West Sussex, UK. Next time you’re wandering around a harbour or a marina…

Why does ice float?

This question was asked by Jacqui from West Sussex, UK.  If you drop an ice cube into a glass of…

What are chemicals?

This question was asked by Elizabeth from West Sussex, UK.    Chemicals are everywhere. Everything made of matter (anything you…